Home / 3,427,085.40-4,729,898.93-2,187,230.69

Finding the Fourth Proportional to 3,427,085.40, 4,729,898.93 and 2,187,230.69

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Solution

The fourth proportional to 3,427,085.40, 4,729,898.93 and 2,187,230.69 is: 3,018,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,085.40 : 4,729,898.93 = 2,187,230.69 : x
  2. Step 2: Convert to fraction form
    3,427,085.40/4,729,898.93 = 2,187,230.69/x
  3. Step 3: Cross multiply
    3,427,085.40x = 4,729,898.93 × 2,187,230.69
  4. Step 4: Simplify right side
    3,427,085.40x = 10,345,380,065,708.51
  5. Step 5: Solve for x
    x = 10,345,380,065,708.51/3,427,085.40
  6. Step 6: Final answer
    x = 3,018,710.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.